<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>子页面</title>
  <style>
    table{
      border: 1px solid black;
    }
  </style>
</head>
<body>
<table>
  <tr>
    <td>用户名：</td> <td><input type="text" name="username"></td>
  </tr>
  <tr>
    <td>密码：</td> <td><input type="password" name="password"></td>
  </tr>
</table>
</body>
</html>